File:Jeans pocket back.jpg|right|thumb|Patch pocket with topstitching and bar tacking on the back of a pair of blue jeans.
A '''pocket''' is a bag
- or envelope
-like receptacle either fastened to or inserted in an article of clothing
to hold small items. Pockets may also be attached to luggage
s, and similar items. In older usage, a pocket was a separate small bag or pouch.